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Table 3 Comparison of cardiac preload variables between responders and non-responders

From: Neither dynamic, static, nor volumetric variables can accurately predict fluid responsiveness early after abdominothoracic esophagectomy

   Responders Non-responders P a
Stroke volume variation (%) Pre 13.9 ± 4.6 (13.0, 11.0-16.3) 12.2 ± 4.1 (11.5, 9.0-15.5) 0.232
  Post 7.8 ± 4.1 (7.0, 4.8-10.3)b 6.4 ± 2.2 (6.0, 5.0-7.0)b 0.27
Pulse pressure variation (%) Pre 10.6 ± 3.5 (9.0, 8.0-13.0) 8.7 ± 3.7 (8.5, 6.0-11.0) 0.107
  Post 4.9 ± 2.4 (4.0, 3.5-5.0)b 4.5 ± 1.4 (4.0, 3.5-5.0)b 0.862
Central venous pressure (mmHg) Pre 5 ± 2 (5, 4–7) 7 ± 3 (7, 5–9) 0.033
  Post 7 ± 2 (8, 6–9)b 9 ± 2 (9, 8–11)b 0.008
ITBVI(L/m2) Pre 0.78 ± 0.1 (0.78, 0.72-0.85) 0.81 ± 0.09 (0.83, 0.75-0.87) 0.292
  Post 0.84 ± 0.09 (0.85, 0.77-0.91)b 0.84 ± 0.10 (0.84, 0.76-0.89) 0.964
IDVGI(L/m2) Pre 4.2 ± 0.7 (4.2, 3.9-4.8) 4.6 ± 0.5 (4.6, 4.3-4.8) 0.043
  Post 4.8 ± 0.7 (4.9, 4.4-5.3)b 4.9 ± 0.6 (5.0, 4.8-5.2)b 0.574
  1. Data are presented as mean ± SD (median, interquartile range).
  2. aBetween responders and non-responders.
  3. bP <0.001 as compared with pre-fluid volume loading values.
  4. ITBVI, Indexed intrathoraci blood volume; IDVGI, Indexed initial distribution volume of glucose; Pre, Immediately before volume loading; Post, 10 min after volume loading.